zombie apocalypse, World War Z, extended edition, hordes of zombies, chaotic cityscape, destroyed buildings, military resistance, survival action, fleeing civilians, intense combat, soldiers in combat gear, abandoned vehicles, overcast sky, dynamic lighting, fire and smoke effects, panoramic shot, high tension, gritty texture, realistic gore, emergency response, barricades, urban decay, survival horror atmosphere, dusk lighting, helicopter searchlights, panoramic view, emergency broadcast, desperate escape, city on fire, HDR, wide-angle lens.